How far is Waianae, HI from Waimea, HI?

The estimated driving distance from Waianae, HI to Waimea, HI is about 127.2 miles (204.7 km), with a travel time of about 02h 38m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 101.8 miles (163.8 km).
  • For a round trip, plan for roughly 05h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM HST.
Road route is being refreshed. This page currently uses an estimated driving distance until a routing provider returns the full road geometry.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
127.2 mi
02h 38m · estimated
Flight
101.76 mi
163.77 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Waianae.

Flight Distance

Direct air line
101.76 mi
Kilometers
163.77 km
Flight Time
00h 12m

Driving Distance

Estimated road route
127.2 mi
Estimated
Kilometers
204.71 km
Drive Time
02h 38m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 02h 38m.

Arrival Snapshot
Arrive in Waimea
Sun, Apr 19, 9:35 AM HST
Return by in Waianae
Sun, Apr 19, 12:14 PM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Waianae
2026-04-19T06:57
Arrive Waimea
Sun, Apr 19, 9:35 AM HST
Route Timing
02h 38m
One way by road
Best Departure Window
8:00 AM to 10:00 AM HST
Aim for a morning departure
Arrive between
10:39 AM to 12:39 PM HST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:12 PM HST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Waianae
9:30 PM HST
Morning start is best

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Hanamā‘ulu
HI

City in Kauai County, Hawaii, United States of America

From Waianae
50.9 mi
01h 19m
To Waimea
76.3 mi
01h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Waianae Weather
HI
Live fallback forecast
73°F
Overnight
Using Mākaha as the closest live forecast in the Honolulu County weather hub.

Mostly Cloudy

Starts
Sun, Apr 19 5:00 AM HST
Wind
3 mph E
Destination
Waimea Weather
HI
Live fallback forecast
72°F
Overnight
Using Hanapēpē Heights as the closest live forecast in the Kauai County weather hub.

Slight Chance Rain Showers

Starts
Sun, Apr 19 5:00 AM HST
Wind
13 mph E

Driving Route Map

Road route is being refreshed. This page currently uses an estimated driving distance.

Turn-by-Turn Driving Directions

Step-by-step road directions between Waianae and Waimea.

Turn-by-turn directions will appear after the road route is refreshed. The current distance is an estimate.

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 38m
Day trip friendly
Same-Day Return
05h 18m
Round-trip wheel time
Road vs Air
+25.4 mi
101.8 mi direct line
Halfway Stop
Hanamā‘ulu
01h 19m from Waianae
Leave By
1:12 PM HST
Morning start is best
Weather Watch

Mostly Cloudy leaving Waianae and Slight Chance Rain Showers near Waimea.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Waianae to Waimea?

The road trip is about 127.2 miles (204.7 km) and usually takes 02h 38m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Hanamā‘ulu is a useful midpoint, sitting about 50.9 miles from Waianae and 76.3 miles from Waimea.

How much longer is the road route than the straight-line distance?

The direct path is about 101.8 miles (163.8 km), while the road route adds roughly 25.4 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 8:00 AM to 10:00 AM HST. If you want a more comfortable same-day return, try to leave by 1:12 PM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.23 one way or $44.46 round trip. Estimated CO2 is about 39.9 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Waianae and Slight Chance Rain Showers near Waimea.

Flight Path Map

This map shows the direct air route between Waianae and Waimea. Straight-line distance: 101.76 mi (163.77 km).

Photo coming soon

#1 Waianae

Census designated place in Honolulu County, Hawaii, United States

Population13,177
Coordinates21.4378500, -158.1855500
Altitude5
CountryUnited States
Waimea

#2 Waimea

Census-designated place in Hawaii County, Hawaii, United States

Population11,687
Coordinates21.9570700, -159.6689300
Altitude7
CountryUnited States
Start: Waianae (-158.18555, 21.43785)
End: Waimea (-159.66893, 21.95707)

Estimated Travel Time

Distance: 205 km by road

SpeedTime
30 mph (48.3 km/h)04h 14m
40 mph (64.37 km/h)03h 10m
50 mph (80.47 km/h)02h 32m
60 mph (96.56 km/h)02h 07m
70 mph (112.65 km/h)01h 49m
80 mph (129 km/h)01h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.49 gal
16.99 L · about $22.23
Round trip
$44.46
8.98 gal · 33.98 L
Estimated CO2
39.9 kg one way
Round trip: 79.8 kg / 176 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $22.23 $44.46
Mid-grade $5.34 $23.97 $47.94
Premium $5.57 $24.99 $49.98
Diesel $6.37 $28.58 $57.17

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Hawaii · Apr 19, 2026

There is no time difference between Waianae and Waimea. The current time is 06:57:04.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.